Line data Source code
1 : #include "configure.h"
2 :
3 : #include <errno.h>
4 : #include <unistd.h>
5 :
6 : #include "fd_ethtool_ioctl.h"
7 : #include "../../../../disco/net/fd_linux_bond.h"
8 :
9 0 : #define NAME "ethtool-channels"
10 :
11 : static int fini_device( char const * device );
12 :
13 : static int
14 0 : enabled( fd_config_t const * config ) {
15 :
16 : /* if we're running in a network namespace, we configure ethtool on
17 : the virtual device as part of netns setup, not here */
18 0 : if( config->development.netns.enabled ) return 0;
19 :
20 : /* only enable if network stack is XDP */
21 0 : if( 0!=strcmp( config->net.provider, "xdp" ) ) return 0;
22 :
23 0 : return 1;
24 0 : }
25 :
26 : static void
27 : init_perm( fd_cap_chk_t * chk,
28 0 : fd_config_t const * config FD_PARAM_UNUSED ) {
29 0 : fd_cap_chk_root( chk, NAME, "modify network device configuration with ethtool" );
30 0 : }
31 :
32 : static void
33 : fini_perm( fd_cap_chk_t * chk,
34 0 : fd_config_t const * config FD_PARAM_UNUSED ) {
35 0 : fd_cap_chk_root( chk, NAME, "modify network device configuration with ethtool" );
36 0 : }
37 :
38 : /* FIXME: Centrally define listen port list to avoid this configure
39 : stage from going out of sync with port mappings. */
40 : static uint
41 : get_ports( fd_config_t const * config,
42 0 : ushort * ports ) {
43 0 : uint port_cnt = 0U;
44 :
45 0 : #define ADD_PORT( p ) do { \
46 0 : ushort __port = ( p ); \
47 0 : if( FD_UNLIKELY( __port==0U ) ) break; \
48 0 : int __dupe = 0; \
49 0 : for( uint __p=0U; !__dupe && __p<port_cnt; ++__p ) __dupe = (ports[ __p ]==__port); \
50 0 : if( FD_UNLIKELY( __dupe ) ) break; \
51 0 : ports[ port_cnt ] = __port; \
52 0 : port_cnt++; \
53 0 : } while(0)
54 :
55 0 : ADD_PORT( config->tiles.shred.shred_listen_port );
56 0 : ADD_PORT( config->tiles.quic.quic_transaction_listen_port );
57 0 : ADD_PORT( config->tiles.quic.regular_transaction_listen_port );
58 0 : if( config->is_firedancer ) {
59 0 : ADD_PORT( config->gossip.port );
60 0 : ADD_PORT( config->tiles.repair.repair_intake_listen_port );
61 0 : ADD_PORT( config->tiles.repair.repair_serve_listen_port );
62 0 : ADD_PORT( config->tiles.send.send_src_port );
63 0 : }
64 0 : #undef ADD_PORT
65 :
66 0 : return port_cnt;
67 0 : }
68 :
69 : /* Attempts to initialize the device in simple or dedicated mode. If
70 : strict is true, FD_LOG_ERR's on failure. Otherwise, returns 1 on
71 : failure. Returns 0 on success. */
72 : static int
73 : init_device( char const * device,
74 : fd_config_t const * config,
75 : int dedicated_mode,
76 : int strict,
77 0 : uint device_cnt ) {
78 0 : FD_TEST( dedicated_mode || strict );
79 :
80 0 : uint const net_tile_cnt = config->layout.net_tile_count;
81 0 : if( FD_UNLIKELY( net_tile_cnt%device_cnt!=0 ) ) {
82 0 : FD_LOG_ERR(( "net tile count %u must be a multiple of the number of slave devices %u (incompatible settings [layout.net_tile_count] and [net.xdp.native_bond])", net_tile_cnt, device_cnt ));
83 0 : }
84 0 : uint const queue_cnt = net_tile_cnt / device_cnt;
85 :
86 0 : fd_ethtool_ioctl_t ioc __attribute__((cleanup(fd_ethtool_ioctl_fini)));
87 0 : if( FD_UNLIKELY( &ioc != fd_ethtool_ioctl_init( &ioc, device ) ) )
88 0 : FD_LOG_ERR(( "error configuring network device (%s), unable to init ethtool ioctl", device ));
89 :
90 : /* This should happen first, otherwise changing the number of channels may fail */
91 0 : FD_TEST( 0==fd_ethtool_ioctl_rxfh_set_default( &ioc ) );
92 :
93 0 : uint const num_channels = !dedicated_mode ? queue_cnt : 0 /* maximum allowed */;
94 0 : int ret = fd_ethtool_ioctl_channels_set_num( &ioc, num_channels );
95 0 : if( FD_UNLIKELY( 0!=ret ) ) {
96 0 : if( strict ) {
97 0 : if( FD_LIKELY( ret == EBUSY ) )
98 0 : FD_LOG_ERR(( "error configuring network device (%s), failed to set number of channels. "
99 0 : "This is most commonly caused by an issue with the Intel ice driver on certain versions "
100 0 : "of Ubuntu. If you are using the ice driver, `sudo dmesg | grep %s` contains "
101 0 : "messages about RDMA, and you do not need RDMA, try running `rmmod irdma` and/or "
102 0 : "blacklisting the irdma kernel module.", device, device ));
103 0 : else
104 0 : FD_LOG_ERR(( "error configuring network device (%s), failed to set number of channels", device ));
105 0 : }
106 0 : return 1;
107 0 : }
108 :
109 : /* Some drivers (e.g. igb) put the RXFH table into an incorrect state
110 : after changing the channel count. So in simple mode we reset it
111 : to the default again. */
112 0 : if( !dedicated_mode ) {
113 0 : FD_TEST( 0==fd_ethtool_ioctl_rxfh_set_default( &ioc ) );
114 0 : }
115 :
116 0 : FD_TEST( 0==fd_ethtool_ioctl_ntuple_clear( &ioc ) );
117 :
118 0 : if( dedicated_mode ) {
119 : /* Some drivers (e.g. ixgbe) reset the RXFH table upon activation
120 : of the ntuple feature, so we do this first. */
121 0 : if( FD_UNLIKELY( 0!=fd_ethtool_ioctl_feature_set( &ioc, FD_ETHTOOL_FEATURE_NTUPLE, 1 ) ) ) {
122 0 : if( strict ) FD_LOG_ERR(( "error configuring network device (%s), failed to enable ntuple feature. Try `net.xdp.rss_queue_mode=\"simple\"`", device ));
123 0 : else return 1;
124 0 : }
125 :
126 : /* Remove a queue from the rxfh table for each net tile. */
127 0 : uint rxfh_queue_cnt;
128 0 : FD_TEST( 0==fd_ethtool_ioctl_rxfh_get_queue_cnt( &ioc, &rxfh_queue_cnt ) );
129 0 : if( FD_UNLIKELY( queue_cnt>=rxfh_queue_cnt ) ) {
130 0 : if( strict ) FD_LOG_ERR(( "error configuring network device (%s), too many net tiles %u for queue count %u. "
131 0 : "Try `net.xdp.rss_queue_mode=\"simple\"` or reduce net tile count",
132 0 : device, net_tile_cnt, rxfh_queue_cnt ));
133 0 : else return 1;
134 0 : }
135 0 : if( FD_UNLIKELY( 0!=fd_ethtool_ioctl_rxfh_set_suffix( &ioc, queue_cnt ) ) ) {
136 0 : if( strict ) FD_LOG_ERR(( "error configuring network device (%s), failed to isolate queues. Try `net.xdp.rss_queue_mode=\"simple\"`", device ));
137 0 : else return 1;
138 0 : }
139 :
140 : /* Add a ntuple rule for each listening destination port. If there
141 : are multiple net tiles, create a group of rules for each tile. */
142 0 : int ntuple_error = 0;
143 0 : ushort ports[ 32 ];
144 0 : uint port_cnt = get_ports( config, ports );
145 0 : uint rule_idx = 0;
146 0 : uint const rule_group_cnt = fd_uint_pow2_up( queue_cnt );
147 0 : for( uint r=0U; !ntuple_error && r<rule_group_cnt; r++ ) {
148 0 : for( uint p=0U; !ntuple_error && p<port_cnt; p++ ) {
149 0 : ntuple_error = 0!=fd_ethtool_ioctl_ntuple_set_udp_dport( &ioc, rule_idx++, ports[ p ], r, rule_group_cnt, r%queue_cnt );
150 0 : }
151 0 : }
152 0 : if( FD_UNLIKELY( ntuple_error ) ) {
153 0 : if( strict ) FD_LOG_ERR(( "error configuring network device (%s), failed to install ntuple rules. "
154 0 : "Try `net.xdp.rss_queue_mode=\"simple\"` or `layout.net_tile_count=1`", device ));
155 0 : else return 1;
156 0 : }
157 0 : }
158 :
159 0 : return 0;
160 0 : }
161 :
162 : static void
163 0 : init( fd_config_t const * config ) {
164 0 : int only_dedicated =
165 0 : (0==strcmp( config->net.xdp.rss_queue_mode, "dedicated" ));
166 0 : int try_dedicated = only_dedicated ||
167 0 : (0==strcmp( config->net.xdp.rss_queue_mode, "auto" ) );
168 :
169 : /* if using a bonded device, we need to set channels on the
170 : underlying devices. */
171 0 : int is_bonded = fd_bonding_is_master( config->net.interface );
172 0 : uint device_cnt = 1U;
173 0 : if( is_bonded && config->net.xdp.native_bond ) {
174 0 : device_cnt = fd_bonding_slave_cnt( config->net.interface );
175 0 : }
176 :
177 : /* If the mode was auto, we will try to init in dedicated mode but will
178 : not fail the stage if this is not successful. If the mode was
179 : dedicated, we will require success. */
180 0 : if( try_dedicated ) {
181 0 : int failed = 0;
182 0 : if( is_bonded ) {
183 0 : fd_bonding_slave_iter_t iter_[1];
184 0 : fd_bonding_slave_iter_t * iter = fd_bonding_slave_iter_init( iter_, config->net.interface );
185 0 : for( ; !failed && !fd_bonding_slave_iter_done( iter );
186 0 : fd_bonding_slave_iter_next( iter ) ) {
187 0 : failed = init_device( fd_bonding_slave_iter_ele( iter ), config, 1, only_dedicated, device_cnt );
188 0 : }
189 0 : } else {
190 0 : failed = init_device( config->net.interface, config, 1, only_dedicated, device_cnt );
191 0 : }
192 0 : if( !failed ) return;
193 0 : FD_TEST( !only_dedicated );
194 0 : FD_LOG_WARNING(( "error configuring network device (%s), rss_queue_mode \"auto\" attempted"
195 0 : " \"dedicated\" configuration but falling back to \"simple\".", config->net.interface ));
196 : /* Wipe partial dedicated configuration before simple init */
197 0 : if( is_bonded ) {
198 0 : fd_bonding_slave_iter_t iter_[1];
199 0 : fd_bonding_slave_iter_t * iter = fd_bonding_slave_iter_init( iter_, config->net.interface );
200 0 : for( ; !fd_bonding_slave_iter_done( iter );
201 0 : fd_bonding_slave_iter_next( iter ) ) {
202 0 : fini_device( fd_bonding_slave_iter_ele( iter ) );
203 0 : }
204 0 : }
205 0 : else {
206 0 : fini_device( config->net.interface );
207 0 : }
208 0 : }
209 :
210 : /* Require success for simple mode, either configured or as fallback */
211 0 : if( is_bonded ) {
212 0 : fd_bonding_slave_iter_t iter_[1];
213 0 : fd_bonding_slave_iter_t * iter = fd_bonding_slave_iter_init( iter_, config->net.interface );
214 0 : for( ; !fd_bonding_slave_iter_done( iter );
215 0 : fd_bonding_slave_iter_next( iter ) ) {
216 0 : init_device( fd_bonding_slave_iter_ele( iter ), config, 0, 1, device_cnt );
217 0 : }
218 0 : } else {
219 0 : init_device( config->net.interface, config, 0, 1, device_cnt );
220 0 : }
221 0 : }
222 :
223 : /* Returns whether anything is changed from the default (fini'd) state */
224 : static int
225 0 : check_device_is_modified( char const * device ) {
226 0 : fd_ethtool_ioctl_t ioc __attribute__((cleanup(fd_ethtool_ioctl_fini)));
227 0 : if( FD_UNLIKELY( &ioc!=fd_ethtool_ioctl_init( &ioc, device ) ) )
228 0 : FD_LOG_ERR(( "error configuring network device (%s), unable to init ethtool ioctl", device ));
229 :
230 0 : fd_ethtool_ioctl_channels_t channels;
231 0 : FD_TEST( 0==fd_ethtool_ioctl_channels_get_num( &ioc, &channels ) );
232 0 : if( channels.current!=channels.max ) return 1;
233 :
234 0 : uint rxfh_queue_cnt;
235 0 : FD_TEST( 0==fd_ethtool_ioctl_rxfh_get_queue_cnt( &ioc, &rxfh_queue_cnt ) );
236 :
237 0 : uint rxfh_table[ FD_ETHTOOL_MAX_RXFH_TABLE_CNT ] = { 0 };
238 0 : uint rxfh_table_ele_cnt;
239 0 : FD_TEST( 0==fd_ethtool_ioctl_rxfh_get_table( &ioc, rxfh_table, &rxfh_table_ele_cnt ) );
240 0 : for( uint j=0U, q=0U; j<rxfh_table_ele_cnt; j++) {
241 0 : if( rxfh_table[ j ]!=q++ ) return 1;
242 0 : if( q>=rxfh_queue_cnt ) q = 0;
243 0 : }
244 :
245 0 : int ntuple_rules_empty;
246 0 : FD_TEST( 0==fd_ethtool_ioctl_ntuple_validate_udp_dport( &ioc, NULL, 0, 0, &ntuple_rules_empty ) );
247 0 : if( !ntuple_rules_empty ) return 1;
248 :
249 0 : return 0;
250 0 : }
251 :
252 : static int
253 : check_device_is_configured( char const * device,
254 : fd_config_t const * config,
255 : int dedicated_mode,
256 0 : uint device_cnt ) {
257 0 : uint const net_tile_cnt = config->layout.net_tile_count;
258 0 : if( FD_UNLIKELY( net_tile_cnt%device_cnt!=0 ) ) {
259 0 : FD_LOG_ERR(( "net tile count %u must be a multiple of the number of slave devices %u (incompatible settings [layout.net_tile_count] and [net.xdp.native_bond])", net_tile_cnt, device_cnt ));
260 0 : }
261 0 : uint const queue_cnt = net_tile_cnt / device_cnt;
262 :
263 0 : fd_ethtool_ioctl_t ioc __attribute__((cleanup(fd_ethtool_ioctl_fini)));
264 0 : if( FD_UNLIKELY( &ioc != fd_ethtool_ioctl_init( &ioc, device ) ) )
265 0 : FD_LOG_ERR(( "error configuring network device (%s), unable to init ethtool ioctl", device ));
266 :
267 0 : fd_ethtool_ioctl_channels_t channels;
268 0 : FD_TEST( 0==fd_ethtool_ioctl_channels_get_num( &ioc, &channels ) );
269 0 : if( channels.current!=(dedicated_mode ? channels.max : queue_cnt) ) return 0;
270 :
271 0 : uint rxfh_queue_cnt;
272 0 : FD_TEST( 0==fd_ethtool_ioctl_rxfh_get_queue_cnt( &ioc, &rxfh_queue_cnt ) );
273 0 : rxfh_queue_cnt = fd_uint_min( rxfh_queue_cnt, channels.current );
274 :
275 0 : uint rxfh_table[ FD_ETHTOOL_MAX_RXFH_TABLE_CNT ] = { 0 };
276 0 : uint rxfh_table_ele_cnt;
277 0 : FD_TEST( 0==fd_ethtool_ioctl_rxfh_get_table( &ioc, rxfh_table, &rxfh_table_ele_cnt ) );
278 0 : int rxfh_error = (dedicated_mode && 0U==rxfh_table_ele_cnt);
279 0 : uint const start_queue = dedicated_mode ? queue_cnt : 0U;
280 0 : for( uint j=0U, q=start_queue; !rxfh_error && j<rxfh_table_ele_cnt; j++) {
281 0 : rxfh_error = (rxfh_table[ j ]!=q++);
282 0 : if( FD_UNLIKELY( q>=rxfh_queue_cnt ) ) q = start_queue;
283 0 : }
284 0 : if( rxfh_error ) return 0;
285 :
286 0 : if( dedicated_mode ) {
287 0 : int ntuple_feature_active;
288 0 : FD_TEST( 0==fd_ethtool_ioctl_feature_test( &ioc, FD_ETHTOOL_FEATURE_NTUPLE, &ntuple_feature_active ) );
289 0 : if( !ntuple_feature_active ) return 0;
290 0 : }
291 :
292 0 : if( !dedicated_mode ) {
293 0 : int ntuple_rules_empty;
294 0 : FD_TEST( 0==fd_ethtool_ioctl_ntuple_validate_udp_dport( &ioc, NULL, 0, 0, &ntuple_rules_empty ) );
295 0 : if( !ntuple_rules_empty ) return 0;
296 0 : } else {
297 0 : int ports_valid;
298 0 : ushort ports[ 32 ];
299 0 : uint port_cnt = get_ports( config, ports );
300 0 : FD_TEST( 0==fd_ethtool_ioctl_ntuple_validate_udp_dport( &ioc, ports, port_cnt, queue_cnt, &ports_valid ));
301 0 : if( !ports_valid ) return 0;
302 0 : }
303 :
304 0 : return 1;
305 0 : }
306 :
307 : static configure_result_t
308 : check( fd_config_t const * config,
309 0 : int check_type FD_PARAM_UNUSED ) {
310 0 : int only_dedicated =
311 0 : (0==strcmp( config->net.xdp.rss_queue_mode, "dedicated" ));
312 0 : int check_dedicated = only_dedicated ||
313 0 : (0==strcmp( config->net.xdp.rss_queue_mode, "auto" ));
314 :
315 0 : int is_bonded = fd_bonding_is_master( config->net.interface );
316 0 : uint device_cnt = 1U;
317 0 : if( is_bonded && config->net.xdp.native_bond ) {
318 0 : device_cnt = fd_bonding_slave_cnt( config->net.interface );
319 0 : }
320 :
321 0 : if( check_dedicated ) {
322 0 : int is_configured = 1;
323 0 : if( is_bonded ) {
324 0 : fd_bonding_slave_iter_t iter_[1];
325 0 : fd_bonding_slave_iter_t * iter = fd_bonding_slave_iter_init( iter_, config->net.interface );
326 0 : for( ; is_configured && !fd_bonding_slave_iter_done( iter );
327 0 : fd_bonding_slave_iter_next( iter ) ) {
328 0 : is_configured = check_device_is_configured( fd_bonding_slave_iter_ele( iter ), config, 1, device_cnt );
329 0 : }
330 0 : } else {
331 0 : is_configured = check_device_is_configured( config->net.interface, config, 1, device_cnt );
332 0 : }
333 0 : if( is_configured ) CONFIGURE_OK();
334 0 : }
335 :
336 0 : if( !only_dedicated ) {
337 0 : int is_configured = 1;
338 0 : if( is_bonded ) {
339 0 : fd_bonding_slave_iter_t iter_[1];
340 0 : fd_bonding_slave_iter_t * iter = fd_bonding_slave_iter_init( iter_, config->net.interface );
341 0 : for( ; is_configured && !fd_bonding_slave_iter_done( iter );
342 0 : fd_bonding_slave_iter_next( iter ) ) {
343 0 : is_configured = check_device_is_configured( fd_bonding_slave_iter_ele( iter ), config, 0, device_cnt );
344 0 : }
345 0 : } else {
346 0 : is_configured = check_device_is_configured( config->net.interface, config, 0, device_cnt );
347 0 : }
348 0 : if( is_configured ) CONFIGURE_OK();
349 0 : }
350 :
351 0 : int is_modified = 0;
352 0 : if( is_bonded ) {
353 0 : fd_bonding_slave_iter_t iter_[1];
354 0 : fd_bonding_slave_iter_t * iter = fd_bonding_slave_iter_init( iter_, config->net.interface );
355 0 : for( ; !is_modified && !fd_bonding_slave_iter_done( iter );
356 0 : fd_bonding_slave_iter_next( iter ) ) {
357 0 : is_modified = check_device_is_modified( fd_bonding_slave_iter_ele( iter ) );
358 0 : }
359 0 : } else {
360 0 : is_modified = check_device_is_modified( config->net.interface );
361 0 : }
362 0 : if( is_modified )
363 0 : PARTIALLY_CONFIGURED( "device `%s` has partial ethtool-channels network configuration", config->net.interface );
364 :
365 0 : NOT_CONFIGURED( "device `%s` missing ethtool-channels network configuration", config->net.interface );
366 0 : }
367 :
368 : static int
369 0 : fini_device( char const * device ) {
370 0 : int error = 0;
371 :
372 0 : fd_ethtool_ioctl_t ioc;
373 0 : if( FD_UNLIKELY( &ioc != fd_ethtool_ioctl_init( &ioc, device ) ) )
374 0 : FD_LOG_ERR(( "error configuring network device (%s), unable to init ethtool ioctl", device ));
375 :
376 : /* It may be the case for certain devices that the default state is
377 : the same as the init'd state (in simple mode). In this case the
378 : following fini commands will all be noops, which is fine. But we
379 : need to return 0 so that the configure stage logic does not
380 : consider this to be an error. We compare the state before and
381 : after to see if anything was changed by fini. */
382 0 : fd_ethtool_ioctl_channels_t channels_orig;
383 0 : error |= (0!=fd_ethtool_ioctl_channels_get_num( &ioc, &channels_orig ));
384 0 : uint rxfh_table_orig[ FD_ETHTOOL_MAX_RXFH_TABLE_CNT ] = { 0 };
385 0 : uint rxfh_table_orig_ele_cnt;
386 0 : error |= (0!=fd_ethtool_ioctl_rxfh_get_table( &ioc, rxfh_table_orig, &rxfh_table_orig_ele_cnt ));
387 0 : int ntuple_rules_empty_orig;
388 0 : error |= (0!=fd_ethtool_ioctl_ntuple_validate_udp_dport( &ioc, NULL, 0, 0, &ntuple_rules_empty_orig ));
389 0 : if( FD_UNLIKELY( error ) )
390 0 : FD_LOG_ERR(( "error configuring network device (%s), unable to determine initial state", device ));
391 :
392 : /* We leave the ntuple feature flag as-is in fini */
393 0 : error |= (0!=fd_ethtool_ioctl_ntuple_clear( &ioc ));
394 :
395 : /* This should happen first, otherwise changing the number of channels may fail */
396 0 : error |= (0!=fd_ethtool_ioctl_rxfh_set_default( &ioc ));
397 :
398 0 : error |= (0!=fd_ethtool_ioctl_channels_set_num( &ioc, 0 /* max */ ));
399 :
400 : /* Some drivers (i40e) do not always evenly redistribute the RXFH table
401 : when increasing the channel count, so we run this again just in case. */
402 0 : error |= (0!=fd_ethtool_ioctl_rxfh_set_default( &ioc ));
403 :
404 0 : if( FD_UNLIKELY( error ) )
405 0 : FD_LOG_ERR(( "error configuring network device (%s), unable to set to default state", device ));
406 :
407 0 : fd_ethtool_ioctl_channels_t channels_new;
408 0 : error |= (0!=fd_ethtool_ioctl_channels_get_num( &ioc, &channels_new ));
409 0 : uint rxfh_table_new[ FD_ETHTOOL_MAX_RXFH_TABLE_CNT ] = { 0 };
410 0 : uint rxfh_table_new_ele_cnt;
411 0 : error |= (0!=fd_ethtool_ioctl_rxfh_get_table( &ioc, rxfh_table_new, &rxfh_table_new_ele_cnt ));
412 0 : int ntuple_rules_empty_new;
413 0 : error |= (0!=fd_ethtool_ioctl_ntuple_validate_udp_dport( &ioc, NULL, 0, 0, &ntuple_rules_empty_new ));
414 0 : if( FD_UNLIKELY( error ) )
415 0 : FD_LOG_ERR(( "error configuring network device (%s), unable to determine final state", device ));
416 :
417 0 : fd_ethtool_ioctl_fini( &ioc );
418 :
419 0 : int modified = (0!=memcmp( &channels_orig, &channels_new, sizeof(fd_ethtool_ioctl_channels_t) )) ||
420 0 : (rxfh_table_orig_ele_cnt != rxfh_table_new_ele_cnt) ||
421 0 : (0!=memcmp( rxfh_table_orig, rxfh_table_new, rxfh_table_orig_ele_cnt * sizeof(uint) )) ||
422 0 : (ntuple_rules_empty_orig!=ntuple_rules_empty_new);
423 0 : return modified;
424 0 : }
425 :
426 : static int
427 : fini( fd_config_t const * config,
428 0 : int pre_init FD_PARAM_UNUSED ) {
429 0 : int done = 0;
430 0 : if( FD_UNLIKELY( fd_bonding_is_master( config->net.interface ) ) ) {
431 0 : fd_bonding_slave_iter_t iter_[1];
432 0 : fd_bonding_slave_iter_t * iter = fd_bonding_slave_iter_init( iter_, config->net.interface );
433 0 : for( ; !fd_bonding_slave_iter_done( iter );
434 0 : fd_bonding_slave_iter_next( iter ) ) {
435 0 : done |= fini_device( fd_bonding_slave_iter_ele( iter ) );
436 0 : }
437 0 : } else {
438 0 : done = fini_device( config->net.interface );
439 0 : }
440 0 : return done;
441 0 : }
442 :
443 : configure_stage_t fd_cfg_stage_ethtool_channels = {
444 : .name = NAME,
445 : .always_recreate = 0,
446 : .enabled = enabled,
447 : .init_perm = init_perm,
448 : .fini_perm = fini_perm,
449 : .init = init,
450 : .fini = fini,
451 : .check = check,
452 : };
453 :
454 : #undef NAME
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